OG Marowak with changes by Smogon user 49

Marowak @ Thick Club
Ability: Rock Head
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Earthquake
- Double-Edge
- Swords Dance
- Knock Off

Smeargle @ Focus Sash
Ability: Own Tempo
EVs: 4 HP / 252 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Sticky Web
- Stealth Rock
- Dark Void
- Taunt

Durant @ Choice Band
Ability: Hustle
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- X-Scissor
- Iron Head
- Superpower
- Thunder Fang

Meloetta @ Leftovers
Ability: Serene Grace
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Substitute
- Psychic
- Focus Blast

Glalie-Mega @ Glalitite
Ability: Inner Focus
EVs: 252 Atk / 4 SpA / 252 Spe
Jolly Nature
- Return
- Ice Shard
- Earthquake
- Spikes

Eelektross @ Assault Vest
Ability: Levitate
EVs: 248 HP / 252 SpA / 8 SpD
IVs: 0 Atk / 30 Def / 29 Spe
Modest Nature
- Volt Switch
- Flamethrower
- Hidden Power [Ice]
- Giga Drain